const buttonInstance = (
  <ButtonToolbar>
    <DropdownButton bsStyle="default" title="No caret" noCaret id="dropdown-no-caret">
      <MenuItem eventKey="1">Action</MenuItem>
      <MenuItem eventKey="2">Another action</MenuItem>
      <MenuItem eventKey="3">Something else here</MenuItem>
      <MenuItem divider />
      <MenuItem eventKey="4">Separated link</MenuItem>
    </DropdownButton>
  </ButtonToolbar>
);

ReactDOM.render(buttonInstance, mountNode);
